Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / m68k / include / asm / serial.h

diff --git a/kernel/arch/m68k/include/asm/serial.h b/kernel/arch/m68k/include/asm/serial.h
new file mode 100644 (file)
index 0000000..7267536
--- /dev/null
+++ b/kernel/arch/m68k/include/asm/serial.h
@@ -0,0 +1,35 @@
+/*
+ * include/asm-m68k/serial.h
+ *
+ * currently this seems useful only for a Q40,
+ * it's an almost exact copy of ../asm-alpha/serial.h
+ *
+ */
+
+
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ *
+ * It'd be nice if someone built a serial card with a 24.576 MHz
+ * clock, since the 16550A is capable of handling a top speed of 1.5
+ * megabits/second; but this requires the faster clock.
+ */
+#define BASE_BAUD ( 1843200 / 16 )
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
+#else
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
+#endif
+
+#ifdef CONFIG_ISA
+#define SERIAL_PORT_DFNS                       \
+       /* UART CLK   PORT IRQ     FLAGS        */                      \
+       { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
+       { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
+       { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
+       { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
+#endif